Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

Cell Bio
1. a. Describe in detail how a direct DNA repair mechanism works.
b. Can you think of a way in which you could inhibit this repair mechanism in bacteria that have been exposed to UV radiation?

2. For each of the following, give a brief description:
a. DNA exonuclease
b. AP site
c. DNA ligase
d. post replication repair

3. a. What is cancer? Include in your answer a description of oncogenes.
b. describe how a mutated DNA repair gene could lead to a cancer.
c. If a mutation occurs in a gene in a skin cell, describe two possible outcomes for the future of that cell.

4. a. What is a retrovirus?
b. How can a retrovirus cause the transformation of a normal cell into a cancer cell?
c. What is a transforming retrovirus and how does it cause cancer?

5. a. What is a transposon? In you answer include two distinguishing features of a transposon.
b. What is meant by conservative and replicate transfer?
c. Briefly describe the mechanism of action of the Ds and Ac transposons as discovered in maize by McClintock.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M928291

Have any Question? 


Related Questions in Biology

Biology1 what is the difference of fatty acid beta

Biology 1. What is the difference of fatty acid β oxidation in mitochondrion versus peroxisome? Why such a difference exists? 2. (a) Write down the structure of arachidonic acid (C20:4 Δ5,8,11,14). (b) What do you expect ...

Bacteria would be an example of an organism that undergoes

Bacteria would be an example of an organism that undergoes asexual reproduction. How would these organisms obtain genetic diversity if they need to?

1which group of algae appears to be the most closely

1. Which group of algae appears to be the most closely related to the ancestors of true plants? Name one feature that appears to be homologous. 2. What are microphylls and which group of seedless vascular plants are they ...

Female reproductive system1 name the structureshormones

Female Reproductive System 1. Name the structures/hormones that regulate female reproductive function, and state their roles 2. Name both internal and external genitals of the female, and understand the blood supply to t ...

Your friend bruce calls in a panic he has just come from

Your friend Bruce calls in a panic. He has just come from the doctor and been diagnosed with a bacterial infection. The doctor told him not to worry; his B cells will take care of it in no time! Knowing that you are stud ...

Consider the food web for lake erie shown abovegive a

Consider the food web for Lake Erie shown above. Give a detailed analysis of this food web. Be sure to address the following in your analysis:  A description of the producers and consumers (you do not need to list every ...

Please describe four different categories of tissue

Please describe four different categories of tissue engineering strategies for repairing bone and cartilage injuries separately, and compare the advantages and disadvantages of these strategies.

Provide answers to the following in essay forma identify

Provide answers to the following in essay form. a) Identify three different general types of fossil fuels. b) Identify and discuss environmental problems that are associated with using these fossil fuels. c) Identify 3 t ...

What is one example of an organism that belongs to

What is one example of an organism that belongs to platyhelminthes?

Hypophosphatemia is a dominant genetic disorder caused by a

Hypophosphatemia is a dominant genetic disorder caused by a deficiency of phosphates in the blood. Asssuming the other parent is free of the disorder, males with the disorder will pass it on to their daughters but not th ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro